The glass of 1 mm thickness absorb 4% of UV radiation passing through. How many percent of UV rays absorb glass with a thickness 1.1 cm, made from 1 mm thick those glasses?

Correct result:

x =  36.2 %

#### Solution:

$q = 1-4/100 = 0.96 \ \\ x = 100\cdot (1-q^{ 11 }) = 100\cdot (1-0.96^{ 11 })= 36.2 \% \ \\$

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